#region Copyright(c) Anton Shelin, Vladimir Timashkov. All Rights Reserved.
// -----------------------------------------------------------------------------
// Copyright(c) 2010 Anton Shelin, Vladimir Timashkov. All Rights Reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   1. No Trademark License - Microsoft Public License (Ms-PL) does not grant you rights to use
//      authors names, logos, or trademarks.
//   2. If you distribute any portion of the software, you must retain all copyright,
//      patent, trademark, and attribution notices that are present in the software.
//   3. If you distribute any portion of the software in source code form, you may do
//      so only under this license by including a complete copy of Microsoft Public License (Ms-PL)
//      with your distribution. If you distribute any portion of the software in compiled
//      or object code form, you may only do so under a license that complies with
//      Microsoft Public License (Ms-PL).
//   4. The names of the authors may not be used to endorse or promote products
//      derived from this software without specific prior written permission.
//
// The software is licensed "as-is." You bear the risk of using it. The authors
// give no express warranties, guarantees or conditions. You may have additional consumer
// rights under your local laws which this license cannot change. To the extent permitted
// under your local laws, the authors exclude the implied warranties of merchantability,
// fitness for a particular purpose and non-infringement.
// -----------------------------------------------------------------------------
#endregion

using System;
using System.Collections.Generic;

namespace SharpDom
{
    /// <summary>Class used for building HTML content</summary>
    /// <remarks>It includes all tags and all atributes.</remarks>
    public abstract partial class UserControlBuilder<TViewModel>
    {
        /// <summary>Method repeats supplied HTML template for each item in the list</summary>
        /// <typeparam name="TViewModelItem">Type of view model item</typeparam>
        /// <param name="viewModelItems">The list of view model items</param>
        /// <param name="template">HTMLlayout to be repeated for each view model item</param>
        /// <returns>Container tag</returns>
        public virtual ContainerTag ForEach<TViewModelItem>(IEnumerable<TViewModelItem> viewModelItems, Func<TViewModelItem, ContainerTag, ContainerTag> template)
        {
            var parentContainer = new OperatorTag<IEnumerable<TViewModelItem>>(viewModelItems);
            foreach (var viewModelItem in viewModelItems)
            {
                var itemContainer = new OperatorTag<TViewModelItem>(viewModelItem);
                template(viewModelItem, itemContainer);
                parentContainer.Children.Add(itemContainer);
            }
            return parentContainer;
        }

        /// <summary>Method repeats supplied HTML template for each item in the list</summary>
        /// <typeparam name="TViewModelItem">Type of view model item</typeparam>
        /// <param name="viewModelItems">The list of view model items</param>
        /// <param name="template">HTMLlayout to be repeated for each view model item</param>
        /// <returns>Container tag</returns>
        public virtual ContainerTag ForEach<TViewModelItem>(IEnumerable<TViewModelItem> viewModelItems, Func<TViewModelItem, TreeLeafTag> template)
        {
            var parentContainer = new OperatorTag<IEnumerable<TViewModelItem>>(viewModelItems);
            foreach (var viewModelItem in viewModelItems)
            {
                var itemContainer = new OperatorTag<TViewModelItem>(viewModelItem);
                var item = template(viewModelItem);
                itemContainer.Children.Add(item);
                parentContainer.Children.Add(itemContainer);
            }
            return parentContainer;
        }
    }
}